ResiConnect - Fault Detection and Resilience for Multi-Stage AWGR-based Optical Networks

Hirwe, Anish and Makharia, Nikita and Renugunta, Tanmay and Kataoka, Kotaro (2022) ResiConnect - Fault Detection and Resilience for Multi-Stage AWGR-based Optical Networks. In: 23rd Asia-Pacific Network Operations and Management Symposium, APNOMS 2022, 28-30 September 2022, Takamatsu.

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Arrayed Waveguide Grating Router (AWGR) based optical networks are emerging as a promising solution for handling modern data centers due to their wide bandwidth, scalability, high data rates, and lower latency. However, link failures in AWGR based optical networks can significantly impact the network performance and lead to the loss of reachability due to the rigid, passive wavelength routing. In this paper, we present ResiConnect, a scalable, and resilient optical network architecture. ResiConnect is a 3-stage Clos network of AWGR, space switches, and AWGR (ASA) which is managed by a centralized controller. ResiConnect introduces an alternative path to redirect the affected traffic by vertically connecting transmitters, and incorporates an active link fault detection and the failover traffic steering. The evaluation results on various performance metrics confirm that ResiConnect is 1) resilient and scalable against multiple link faults, 2) efficient in detecting any link fault with minimum resource overhead, and 3) efficient in handling uneven traffic demand during link failure. © 2022 IEICE.

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IITH Creators:
IITH CreatorsORCiD
Kataoka, Kotaro
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: ResiConnect ,Optical Networks,Multi-Stage AWGR,Fault Detection and Resilience
Subjects: Computer science
Divisions: Department of Computer Science & Engineering
Depositing User: Ms Palak Jain
Date Deposited: 22 May 2023 09:51
Last Modified: 22 May 2023 09:51
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